std::unique_ptr Defined in header<memory> template< classT, classDeleter=std::default_delete<T> >classunique_ptr; (1)(since C++11) template< classT, classDeleter >classunique_ptr<T[], Deleter>; (2)(since C++11)
delete owning_foo; } int main() { std::unique_ptr<Foo> managed_foo(new Foo); // [可能包括返回或抛异常逻辑的代码] // [...] legacy_api(managed_foo.release()); assert(managed_foo == nullptr); } 输出: Foo legacy_api ~Foo参阅...
Example Run this code #include <iomanip>#include <iostream>#include <memory>#include <string>#include <utility>classRes{std::strings;public:Res(std::stringarg):s{std::move(arg)}{std::cout<<"Res::Res("<<std::quoted(s)<<");\n";}~Res(){std::cout<<"Res::~Res();\n";}private...
#include <iostream>#include <memory>structFoo{Foo(int_val):val(_val){std::cout<<"Foo...\n";}~Foo(){std::cout<<"~Foo...\n";}intval;};intmain(){std::unique_ptr<Foo>up1(new Foo(1));std::unique_ptr<Foo>up2(new Foo(2));up1.swap(up2);std::cout<<"up1->val:"<<up1...
另外,正则表达式在一些文本编辑软件(如 sublime text)中也有十分强大的作用 #工具库/动态内存管理 较为现代的指针 >shared_ptr >unique_ptr # 工具库/通用工具 >swap >exchange >forward >move #工具库/程序支持工具 >abort >exit >atexit >system #工具库/类型支持 >numeric_limits...
scope_exit−scope_fail−scope_success−unique_resource Parallelism library extensions v2 (parallelism TS v2) simd Concurrency library extensions (concurrency TS) Transactional Memory(TM TS) Reflection(reflection TS) External Links−Non-ANSI/ISO Libraries−Index−std Symbol Index ...
scope_exit−scope_fail−scope_success−unique_resource Parallelism library extensions v2 (parallelism TS v2) simd Concurrency library extensions (concurrency TS) Transactional Memory(TM TS) Reflection(reflection TS) External Links−Non-ANSI/ISO Libraries−Index−std Symbol Index ...
scope_exit−scope_fail−scope_success−unique_resource Parallelism library extensions v2 (parallelism TS v2) simd Concurrency library extensions (concurrency TS) Transactional Memory(TM TS) Reflection(reflection TS) External Links−Non-ANSI/ISO Libraries−Index−std Symbol Index ...
scope_exit−scope_fail−scope_success−unique_resource Parallelism library extensions v2 (parallelism TS v2) simd Concurrency library extensions (concurrency TS) Transactional Memory(TM TS) Reflection(reflection TS) External Links−Non-ANSI/ISO Libraries−Index−std Symbol Index ...
() = 0; }; // Accumulator factory function which picks the best FATX estimation technique // from conventions signalled in the GenRunInfo std::unique_ptr<Accumulator> MakeAccumulator(std::shared_ptr<HepMC3::GenRunInfo> gri); // Accumulator factory function that selects the accumulator from ...